#window{
	background-color: white;
	width: 50%;
	position: absolute;
	left: 20%;
	top: 20%;
	padding: 60px;
}

#title{
	font-size: 50px;
	font-family: "微软雅黑";
	text-align: center;
	padding-bottom: 40px;
}

#form{
	margin-left: 15%;
}

.btn{
	margin-left: 50px;
	margin-top: 30px;
}

#reg{
	float: right;
	margin-top: 15px;
	margin-right: 30%;
}

a:link {
	color: royalblue;
	text-decoration: none;
}

a:visited {
	color: royalblue;
	text-decoration: none;
}

a:hover {
	color: red;
	text-decoration: none;
}
